A new Trojan called MAC appears Flashback.G

Mac users are have been warned that new Trojan can i nfectar their computers and steal passwords for services such as Google, PayPal or online banking.

According to security firm Intego, the virus tries to take control of Mac exploit a vulnerability in Java. However, security would not be compromised if Java is not installed or are all your security patches up to date. However, the new variant of Flashback, tries to trick users by submitting a fake security certificate that looks like it comes from Apple.

"Most users do not understand what this means, and click 'Continue' to allow the installation to continue," said the company. Mac users running older versions of OS X, including Snow Leopard, are at greater risk because Java is included as part of the installation package. "It is therefore essential that anyone using Mac OS X 10.6 update Java immediately", said from Intego.

However, many Mac's being infected by the trick of false certification. If a Mac is infected, certain applications like Safari and Skype will be posted frequently.

The Flashback Trojan caused a stir, because rarely cybercriminals MAC aims to be a Windows PC the most attacked. According to security experts, the fact that more viruses appear to MAC is because Apple is having a bigger market share. Although so far the amount of Mac malware is still far less than in Windows.